def generate_return_json(correct="", end=0, exception="", label=0, label_type=0,
                         offset=None, opt="", ppl="", pre_insert=1,
                         source="", start=0, tag="", text="", type="",
                         url="", word="", desc="", explain="",paragraph_index=""):
    return_json = {
        "correct": correct,
        "end": end,
        "exception": exception,
        "label": label,
        "label_type": label_type,
        "offset": offset,
        "opt": opt,
        "ppl": ppl,
        "pre_insert": pre_insert,
        "source": source,
        "start": start,
        "tag": tag,
        "text": text,
        "type": type,
        "url": url,
        "word": word,
        "desc": desc,
        "explain": explain,
        "paragraph_index": paragraph_index,
    }
    return return_json